CVE-2026-40370

External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:sql_server_2016:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2016:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2017:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2017:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2019:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2019:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2022:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2022:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2025:::::::x64:*
	cpe:2.3:a:microsoft:sql_server_2025:::::::x64:*

History

18 Jun 2026, 17:23

Type	Values Removed	Values Added
First Time		Microsoft sql Server 2022 Microsoft sql Server 2025 Microsoft sql Server 2016 Microsoft sql Server 2019 Microsoft Microsoft sql Server 2017
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370 - Vendor Advisory
CPE		cpe:2.3:a:microsoft:sql_server_2022:::::::x64:* cpe:2.3:a:microsoft:sql_server_2019:::::::x64:* cpe:2.3:a:microsoft:sql_server_2025:::::::x64:* cpe:2.3:a:microsoft:sql_server_2017:::::::x64:* cpe:2.3:a:microsoft:sql_server_2016:::::::x64:*
CWE		CWE-610

12 May 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-12 18:17

Updated : 2026-06-18 17:23

NVD link : CVE-2026-40370

Mitre link : CVE-2026-40370

CVE.ORG link : CVE-2026-40370

JSON object : View

Products Affected

microsoft

sql_server_2016
sql_server_2022
sql_server_2019
sql_server_2025
sql_server_2017

CWE

CWE-73

External Control of File Name or Path

CWE-610

Externally Controlled Reference to a Resource in Another Sphere

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